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能简便计算的写出简算过程38×56×24351926÷3855×5115-613÷926-2
问题详情
参考答案
(1)38×56×2435,
=314;
(2)1926÷3855×511,
=1926×5538×511,
=2552;
(3)5-613÷926-23,
=5-613×269-23,
=5-43-23,
=5-(43+23),
=5-2,
=3;
(4)58×43+58÷34,
=58×43+58×43,
=58×43×2,
=53;
(5)49×[0.5÷(35×109)],
=49×[12÷23],
=49×[12×32],
=49×34,
=13;
(6)38×56×2435,
=314;
(7)58÷167÷1411,
=58×716×1114,
=55256;
(8)(0.75-316)×(29+43),
=(34-316)×149,
=916×149,
=78.
考点:过程